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Work #8211; The scientific meaning of work is transfer of energy by mechanical means. Work is said to be done by a force, when a body displaced actually in the direction of applied force. The SI unit of work is joule (J) and in CGS, it is expressed in erg. 1J = 10<sub>7</sub>erg It is a scalar quantity. Its dimensional formula is [ML<sub>2</sub>T<sub>-2</sub>]
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